Individual Calculations November 2009
 Rea, Andrew B  Total change: -4.65  Rating chartPersonal card
 73rd Annual Virginia Closed State Championship Glen Allen, Virginia USA 2009-09-05
RcRownchangeKK*chgGame
 2226 2154 0.50 2 -0.31 15 -4.65 
  Schuyler, James f2325 USA0.001-0.2715-4.05 
  Most, Eric M 2126 USA0.501-0.0415-0.60 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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